Activity-specific optical filters and eyewear using such filters
AssigneeNIKE, Inc.
InventorsAlan W. Reichow, Karl Citek, Robert L. Yolton
Life of this patent
Estimating the term…
Abstract
Eyewear include lenses having spectral transmittances selected for viewing an object with respect to a background The spectral transmittances are selected to provide a natural feel to scenes viewed with the eyewear. In one example, a lens for viewing a white golf ball includes an object-contrast spectral window that transmits radiation at wavelengths of about 440 nm, a background window that transmits wavelengths at about 550 nm, and a spectral-width window that transmits wavelengths between about 620 nm and 700 nm. Similar eyewear can be configured for other activities. Methods for selecting filters and lenses for such eyewear are also provided.
Claims32
An optical filter for viewing an object, the filter having a spectral transmittance that includes an object-contrast spectral window and a background spectral window.
An optical filter having a first spectral window selected to preferentially transmit light from an object and a second spectral window selected to preferentially transmit light from a background.
Eyewear for viewing of an object with respect to a background, comprising:
- a frame;
- and
- at least one lens configured to be placed with respect to a wearer's eyes so that the wearer looks through the lens, the lens defining a spectral transmittance having an object-contrast spectral window and a background spectral window.
Eyewear, comprising an optical filter that includes an object-contrast spectral window and a background spectral window.
Activity-specific eyewear, comprising:
- a lens having a spectral transmittance that includes a background spectral window and an object-contrast spectral window;
- and
- a frame configured to retain and situate the lens so that a wearer views through the lens with the eyewear as worn.
A method of selecting a filter for viewing an object with respect to a background, the method comprising:
- selecting an object-contrast spectral window corresponding to radiation received from the object;
- selecting a background spectral window corresponding to radiation received from the background;
- and
- providing an optical filter that includes the object-contrast spectral window and the background spectral window.
Dependencies are inferred from the claim text.